mirror of
https://github.com/google/blockly.git
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96 lines
2.4 KiB
JavaScript
96 lines
2.4 KiB
JavaScript
/**
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* @license
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* Copyright 2019 Google LLC
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* SPDX-License-Identifier: Apache-2.0
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*/
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/**
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* @fileoverview Namespace for block rendering functionality.
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* @author fenichel@google.com (Rachel Fenichel)
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*/
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'use strict';
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goog.module('Blockly.blockRendering');
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goog.module.declareLegacyNamespace();
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/* eslint-disable-next-line no-unused-vars */
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const Renderer = goog.requireType('Blockly.blockRendering.Renderer');
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/* eslint-disable-next-line no-unused-vars */
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const Theme = goog.requireType('Blockly.Theme');
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const registry = goog.require('Blockly.registry');
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/**
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* Whether or not the debugger is turned on.
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* @type {boolean}
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*/
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let useDebugger = false;
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/**
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* Returns whether the debugger is turned on.
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* @return {boolean} Whether the debugger is turned on.
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*/
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const isDebuggerEnabled = function() {
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return useDebugger;
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};
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/** @package */
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exports.isDebuggerEnabled = isDebuggerEnabled;
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/**
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* Registers a new renderer.
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* @param {string} name The name of the renderer.
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* @param {!Function} rendererClass The new renderer class
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* to register.
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* @throws {Error} if a renderer with the same name has already been registered.
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*/
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const register = function(name, rendererClass) {
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registry.register(registry.Type.RENDERER, name, rendererClass);
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};
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exports.register = register;
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/**
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* Unregisters the renderer registered with the given name.
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* @param {string} name The name of the renderer.
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*/
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const unregister = function(name) {
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registry.unregister(registry.Type.RENDERER, name);
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};
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exports.unregister = unregister;
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/**
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* Turn on the blocks debugger.
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* @package
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*/
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const startDebugger = function() {
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useDebugger = true;
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};
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/** @package */
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exports.startDebugger = startDebugger;
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/**
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* Turn off the blocks debugger.
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* @package
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*/
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const stopDebugger = function() {
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useDebugger = false;
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};
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/** @package */
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exports.stopDebugger = stopDebugger;
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/**
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* Initialize anything needed for rendering (constants, etc).
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* @param {!string} name Name of the renderer to initialize.
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* @param {!Theme} theme The workspace theme object.
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* @param {Object=} opt_rendererOverrides Rendering constant overrides.
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* @return {!Renderer} The new instance of a renderer.
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* Already initialized.
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* @package
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*/
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const init = function(name, theme, opt_rendererOverrides) {
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const rendererClass = registry.getClass(registry.Type.RENDERER, name);
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const renderer = new rendererClass(name);
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renderer.init(theme, opt_rendererOverrides);
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return renderer;
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};
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/** @package */
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exports.init = init;
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